@misc{1191006,
  author = {A G McNish and J V Lincoln},
  title = {Prediction of annual sunspot numbers:},
  year = {1947},
  month = {1947-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.CRPL.1-1},
  language = {en},
}